A test element analysis system for the analytical examination of a sample comprising: at least one evaluation device with at least one test element holder and at least one measuring device for measuring a change in a measuring zone of a test element; at least one barcode reader comprising at least one circuit board having a front side facing the barcode of the test element positioned in the test element holder and a reverse side facing away from the test element, wherein at least one electronic control element of the barcode reader is disposed on the circuit board and wherein the circuit board comprises at least one cavity penetrating the circuit board; at least one camera carrier element; and at least one camera electrically connected to the camera carrier element, with the camera carrier element and the camera being positioned such that the camera observes the barcode through the cavity.

An apparatus for measuring a concentration of an analyte in a bio-sample using an electrochemical bio-sensor, includes a connector with a sample cell in which an oxidation/reduction enzyme and an electron transfer mediator are fixed and a working electrode and an counter electrode are provided; a digital-to-analog converter circuit configured to apply a constant DC voltage to start the oxidation/reduction reaction of the analyte, proceed with an electron transfer reaction, and apply a -step ladder-type perturbation potential for fluctuating a potential of the sample cell after applying the constant DC voltage; and a microcontroller configured to control the digital-to-analog converter circuit and directly obtain a concentration value of the analyte from a calibration equation using the -step ladder-type perturbation potential. The apparatus can improve measurement accuracy by effectively minimizing a matrix interference effect of a background material in a bio-sample, particularly an inaccuracy caused by a change in hematocrit.

To provide an inspection cartridge capable of preventing a user from using a blood sample of a wrong vacuum blood collection tube when the user dispenses the blood sample from the vacuum blood collection tube to the inspection cartridge, and a blood inspection device which performs a blood inspection using the same. An inspection cartridge used for performing a blood inspection with a blood inspection device provided with an identifier for identifying an anticoagulant usable in the inspection cartridge.

Disclosed is a biological analyte monitoring device including a strip inserter in which a test strip is to be inserted, and a processor configured to read a code sequence based on an element detected from an index region, a first code region, and a second code region of the test strip in response to the test strip being inserted in the strip inserter, wherein the processor is further configured to determine a target interval in which an index element formed in the index region is detected while the test strip is being inserted in the strip inserter, detect a first code element formed in the first code region in the target interval and detect a second code element formed in the second code region in the target interval, and identify the code sequence based on a result of detecting the first code element and the second code element.

A test strip reader is disclosed. The test strip reader comprises a module main body and a circuit board. The module main body includes an upper cover, a grounding element and at least one operation hole containing a first operation movement assembly and a second operation movement assembly, wherein the upper cover and the module main body are formed integrally, and a condition of one of a contact status and a separation status between the second operation movement assembly and the grounding element determines a read signal.

A method for measuring a concentration of an analyte in a bio-sample using an electrochemical bio-sensor according to an exemplary embodiment of the present invention is characterized by a step of obtaining predetermined features from induced currents obtained by applying a DC voltage according to chronoamperometry in which, after a whole blood sample is injected to the electrochemical bio-sensor, a concentration of an analyte is obtained from an induced current obtained by applying a DC voltage for a certain time and from all induced currents obtained by further applying several step-ladder perturbation potentials for a short time subsequent to the DC voltage for the certain time, and is also characterized by minimization of a measurement error caused by a hindering material by forming a calibration equation by combining the at least one feature in a function and optimizing various conditions of the bio-sample through DeletedTextsmultivariable analysis. With this configuration, a perturbation potential application method added to a conventional measurement method can maintain a bio-sensor and a measuring apparatus already used, a line used in the measuring apparatus, and calibration of amperometry as they are, improve accuracy in measurement by effectively minimizing a matrix interference effect of a background material in a bio-sample, particularly an inaccuracy caused by a change in hematocrit, and also remarkably improve accuracy in measurement by simply upgrading a measurement program of a conventional measuring apparatus.

A resistance structure, a resistance structure unit, an information identification device and a biosensor. The resistance structure comprises: a first electrode (1); a second electrode (2); a plurality of first resistance elements (3), wherein one end of each of the first resistance elements (3) is connected to the first electrode (1), and the other end thereof is connected to the second electrode (2); a first fracture (11), the first fracture (11) dividing the first electrode (1) into a first part (111) and a second part (112), the first fracture (11) being located between two adjacent first resistance elements (3) or disconnecting at least one first resistance element (3) from the first electrode (1); and a third electrode (4), wherein the third electrode (4) is connected to the first part (111) of the first electrode (1).

Methods for making and operating physiological characteristic sensors are presented here. An exemplary method includes providing a quantified effect of an electrical performance parameter on a calculation of a concentration of an analyte in a fluid sample. The method includes providing a group of sensors and testing a test sensor from the group of sensors with a known concentration of the analyte in a test sample to determine the electrical performance parameter of the test sensor. Further, the method includes associating the electrical performance parameter of the test sensor with a selected sensor from the group of sensors. The method may associate the quantified effect with the selected sensor, measure an unknown concentration of the analyte with the selected sensor, and input the measured electrical performance parameter and the quantified effect into an algorithm to provide an estimated blood analyte level.

A blood glucose test strip includes a test strip, a blood test area formed on a first end of the test strip, an electrode formed on a second end of the test strip, a data barcode formed on the test strip, and a clock code formed on the test strip. The data barcode may include a plurality of first bars with spaces separating the first bars, each first bar having a width. The clock code may comprise a fixed pattern of second bars with spaces separating the second bars, a width of each second bar set according to the width of at least one of the first bars. The clock code can be used to calibrate the data barcode to compensate for insertion speed and/or moisture content.

Methods and system for providing diabetes management including automatic time acquisition protocol and expiration date detection are provided.